Patch for blocking UV with adhesive layer and manufacturing method thereof

Patch for blocking UV with adhesive layer and manufacturing method thereof

The present invention relates to a UV-blocking patch in which a base film layer, a foam layer, an adhesive layer, and a release film layer are stacked in order. The UV-blocking patch has higher adhesive force than a UV-blocking patch without a foam layer. The foam layer has (i) an expansion rate of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KIM DONGBOK, SONG JAECHUL, KIM HANMIN, SONG JAEWOO, RYU JICHUL
Format: Patent
Sprache:eng ; kor
Schlagworte:
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Beschreibung
Zusammenfassung:The present invention relates to a UV-blocking patch in which a base film layer, a foam layer, an adhesive layer, and a release film layer are stacked in order. The UV-blocking patch has higher adhesive force than a UV-blocking patch without a foam layer. The foam layer has (i) an expansion rate of 160 to 200 %, (ii) porosity of 50 to 74 %, and (iii) thickness of 80 to 120 μm. 본 발명은 기저필름층, 발포층, 점착층 및 이형 필름층이 순서대로 적층된 자외선 차단 패치에 관한 것으로, 상기 자외선 차단 패치는 발포층이 없는 자외선 차단 패치에 비하여 높은 점착력을 갖고, 상기 발포층은 (i) 발포율이 160% 내지 200 %, (ii) 공극률이 50% 내지 74%, 및 (iii) 두께가 80 μm 내지 120 μm이다.